22 July 2016
20160721 Week Rotation Today Rotation Week 20160723



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W43N28
(572",395")
W26-W59
(33)
1.7 -0.1 -9.6e31
2 E14N75
(-58",889")
E71-W43
(114)
0.9 -1.2 -3.0e33
3 E52S01
(-744",-62")
E58-E45
(13)
0.9 -6.7 -4.3e33
4 W10S65
(70",-888")
E09-W34
(43)
0.5 0.9 1.2e33
5 W03S31
(44",-552")
E04-W07
(11)
0.4 -1.0 -1.4e32
6 E14S21
(-206",-415")
E19-E05
(14)
0.4 -3.5 -3.9e32

Note: Solar Monitor's coronal hole segmentations are performed by CHIMERA, a copy of which is available at: github.com/TCDSolar/CHIMERA.

The operations of the CHIMERA algorithm is described in a peer reviewed paper: arxiv.org/abs/1711.11476.

An extensive copy of coronal hole properties are available at: solarmonitor.org/data.

The latest positions of the coronal holes are given in heliocentric co-ordinates, and the region positions are valid on 22-Jul-2016 23:20 UT .